Commodity2005200620072008200920102011
Microphones & stands therefor$211,049,139$221,211,736$243,074,361$245,939,824$202,906,635$269,695,374$287,825,424
Single loudspeakers, mounted in their enclosures$581,879,211$605,860,428$567,979,735$451,383,454$328,557,333$417,407,147$438,028,209
Multiple loudspeakers, mounted in the same enclosure$562,476,763$549,453,548$522,196,400$511,200,456$479,397,746$670,704,961$773,008,011
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$734,935,171$827,765,008$724,888,804$701,011,685$516,259,869$675,520,334$734,295,320
Headphones & earphones, whether or not combined with a microphone, & sets c ...$671,598,864$752,282,774$791,184,975$798,587,208$758,888,090$1,006,240,503$1,238,735,074
Audio-frequency elec. amplifiers$412,060,604$447,288,306$536,984,066$535,684,646$426,988,794$520,818,389$530,816,632
Electric sound amplifier sets$185,529,120$166,801,050$175,857,433$160,791,341$99,219,268$94,310,103$108,727,030
Parts of the app. & equip. of 85.18$236,929,333$237,518,664$258,797,880$240,645,899$157,181,896$185,829,938$190,407,012
Total$3,596,458,205$3,808,181,514$3,820,963,654$3,645,244,513$2,969,399,631$3,840,526,749$4,301,842,712